Patents by Inventor Nishal Pradeepkumar Shah

Nishal Pradeepkumar Shah has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12151103
    Abstract: Systems and methods for artificial sight in accordance with embodiments of the invention are illustrated. One embodiment includes a retinal prosthesis system including an external controller, a scene imager, an eye imager, an implanted controller, and a stimulation interface in communication with the implanted controller, where the stimulation interface is positioned to stimulate a plurality of retinal ganglion cells (RGCs) of the eye, where the external controller is configured to obtain image data describing a scene from the scene imager, obtain eye position data from the eye imager, determine a field of view (FOV) in the scene based on the eye position data; where the implanted controller is configured to obtain the FOV from the external controller, continuously select stimulation pulses from a dictionary based on the FOV, and stimulate the plurality of RGCs using the stimulation interface in accordance with the selected stimulation pulses.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: November 26, 2024
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Nishal Pradeepkumar Shah, Eduardo Jose Chichilnisky
  • Publication number: 20240359009
    Abstract: Systems and methods for calibration of retinal prosthetics in accordance with embodiments of the invention are illustrated. A closed loop calibration process is described whereby a multi-electrode stimulation regime can be calibrated to a given user's retina. Multi-electrode stimulation can provide increased stimulation selectivity, but significantly increases complexity. Systems and methods described herein provide computational steps that significantly reduce the amount of trials and computation required in order to achieve clinically viable selectivity, making closed-loop calibration of retinal prosthetics possible in significantly less time than open-loop calibration.
    Type: Application
    Filed: April 25, 2024
    Publication date: October 31, 2024
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Eduardo Jose Chichilnisky, Praful K. Vasireddy, Nishal Pradeepkumar Shah
  • Publication number: 20220168571
    Abstract: Systems and methods for artificial sight in accordance with embodiments of the invention are illustrated. One embodiment includes a retinal prosthesis system including an external controller, a scene imager, an eye imager, an implanted controller, and a stimulation interface in communication with the implanted controller, where the stimulation interface is positioned to stimulate a plurality of retinal ganglion cells (RGCs) of the eye, where the external controller is configured to obtain image data describing a scene from the scene imager, obtain eye position data from the eye imager, determine a field of view (FOV) in the scene based on the eye position data; where the implanted controller is configured to obtain the FOV from the external controller, continuously select stimulation pulses from a dictionary based on the FOV, and stimulate the plurality of RGCs using the stimulation interface in accordance with the selected stimulation pulses.
    Type: Application
    Filed: March 23, 2020
    Publication date: June 2, 2022
    Applicant: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Nishal Pradeepkumar Shah, Eduardo Jose Chichilnisky